All posts by Jestine Yong

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  LCD TV and LCD Monitor Shutdown Problem

              I have Samsung lcd tv Model No: P2470HD First tv works for 20 minutes then picture disappears but sound ok. Turn off the set and again turn on the set then...

  • Posted June 25, 2013
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• Degaussing Problem In CRT TV

  I have a degaussing problem in CRT TV. Color patches in the display. May i know what is the solution? Answer: Degaussing problem can be due to bad posistor, dry joints in the posistor pins and also...

  • Posted June 25, 2013
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• Standby Problem In LCD TV

  I always enjoy reading your repair post’s I am in lcd tv repair as a hobby but I have learned a lot from reading your post and also I have purchased some of your ebooks I find...

  • Posted June 24, 2013
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  Mini Digital Oscilloscope

  One of my repair friends came to visit me today.  As usual both of us talked only about electronics repair.  He is in the industrial electronics repair and he did showed to me those electronics circuit board...

  • Posted June 24, 2013
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• No Power In Kinwin PSU ABT-800MA1S

  Please help me to identify a fault on Kinwin PSU ABT-800MA1S. The PSU is dead and silent with fuse good. Voltage testing: AC input is ok The filter capacitor is ok The Supply voltage of power IC...

  • Posted June 24, 2013
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  A Door Motor Control Board Repair

  A strange thing happened today as I was working in the shop; an electrician came in and showed me a door motor control board. I checked it out and found some nasty burns marks on it. There...

  • Posted June 23, 2013
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  Is Electronics Repair A Dying Trade?

                  Sir, please tell me whether electronic repairing business is a dying trade, since i am interested to do lcd/led repairing as my full time business. ========================== Electronics repair cannot...

  • Posted June 23, 2013
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• About Sunwa Analogue Multimeter

  In your book “electronic component testing” you stated that you use an analog meter with a 9v and 2x 1.5v.  I looked up the specs on the meter you use, the Sunwa yx-360trn and it only uses...

  • Posted June 22, 2013
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